abbreviate (something) to
1. To shorten a word or phrase into an abbreviation or acronym. Many government agencies have long names that are often abbreviated to acronyms. The pop star abbreviated her name to the first letter of her first name and the first two letters of her last name.
2. To condense or shorten something. During our busy season, our lunch hour is often abbreviated to 30 minutes so we can keep up with the demand. The judge abbreviated the sentence to just 10 months.